Be humble about how much you think you know. You never know as much as you think you know, and the universe has a way of proving that to you. The universe will rearrange itself to prove that to you. And you’ll only feel like an ass. Or maybe you won’t (that depends on your personality type). But believe me, the universe has made waves to show me what an ass I’ve been before, and it didn’t feel very good on my personality type.
By all means, know what you know (be proud of what you know), but just be humble about it.
And kindness is nothing to scoff at either. I’m not talking about fluffy white bunnies and rainbows kind of kindness – but basic respect and a little bit of grace. That’s all.